mysqld_safe may suppress error messages with --log-output=file

@@ -969,8 +961,6 @@

 have_sleep=1

 # close stdout and stderr, everything goes to $logging now

+log_error this is error message before closing descriptors

+log_notice this is notice message before closing descriptos

 if expr "${-}" : '.*x' > /dev/null

 then

   :

@@ -979,9 +969,6 @@

   exec 2>&-

 fi

+log_error this is error message after closing descriptors

+log_notice this is notice message after closing descriptos

+

 # maximum number of wsrep restarts

 max_wsrep_restarts=0

# mysqld_safe --log-error=/var/lib/mysql/test.err           

171109 12:50:55 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql

171109 12:50:55 mysqld_safe this is error message before closing descriptors

171109 12:50:55 mysqld_safe this is notice message before closing descriptos

# cat /var/lib/mysql/test.err

171109 12:50:55 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql

171109 12:50:55 mysqld_safe this is error message before closing descriptors

171109 12:50:55 mysqld_safe this is notice message before closing descriptos

171109 12:50:55 mysqld_safe this is notice message after closing descriptos

2017-11-09 12:50:55 140399771674752 [Note] /usr/sbin/mysqld (mysqld 10.2.10-MariaDB) starting as process 4649 ...